/*
 *  Copyright (c) 2009 Giuseppe Trisciuoglio
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.jquery4jsf.el;

import java.util.HashMap;
import java.util.Map;

public class JQueryContext {

	private static JQueryContext instance;
	private Map attributes;

	private JQueryContext(){
		super();
		attributes = new HashMap();
	}
	
	public static synchronized JQueryContext getInstance() {
		if (instance == null)
			instance = new JQueryContext();
		return instance;
	}
	
	public void addAttribute(String name, Object value){
		if (attributes.containsKey(name)){
			attributes.remove(name);
		}
		attributes.put(name, value);
	}
	
	public void removeAttribute(String name){
		if (attributes.containsKey(name)){
			attributes.remove(name);
		}
	}
	
	public Object getAttribute(String name){
		if (attributes.containsKey(name)){
			return attributes.get(name);
		}
		return null;
	}
	
}
